Full face mask



FIG. 1 is a top plan view of the full face mask according to our design and shown attached to a headgear and connector which are in broken line;

FIG. 2 is a left side elevational view of the full face mask shown attached to the headgear and connector which are in broken line;

FIG. 3 is a front elevational view of the full face mask shown attached to the headgear and connector which are in broken line;

FIG. 4 is a right side elevational view of the full face mask shown attached to the headgear and connector which are in broken line;

FIG. 5 is a rear elevational view of the full face mask shown attached to the connector which is in broken line;

FIG. 6 is a bottom plan view of the full face mask shown attached to a headgear and connector which are in broken line; and,

FIG. 7 is a right side perspective view of the full face mask and shown attached to a headgear and connector which are in broken line.

The broken lines in the drawings show environmental structure that form no part of the design to be patented. 

The ornamental design for a full face mask, as shown and described. 